Dakota Ultrasonics DFX-7 plus MANUAL2 - Manual (Page 122)

Dakota Ultrasonics
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material. There are three width options (SPIKE, THIN, and WIDE). The SPIKE
setting may be desirable for high resolution and general applications to decrease the
overall noise. This can be considered the normal or standard setting. When
additional energy is needed, more penetration, the THIN and WIDE options may be
necessary. The procedure to change the pulse width is outlined below:
Selecting the Pulse Width
1) Press the MENU key once to activate the menu items tab. Press the MENU
key multiple times to tab right and the ESC key multiple times to tab left until
the TUNE menu is highlighted and displaying the submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until PULSE is highlighted.
3) Use the LEFT and RIGHT arrow keys to scroll the Pulse options.
4) Once the Pulse is displayed, press the MEAS key to return to the
measurement screen.
10.8 Pulser Voltage
The DFX-7 has a 200 volt square wave pulser that can be adjusted for specific
applications and transducers. The Pulser Volt feature offers a 50 volt cut/boost
option to the user. The standard setting is 150 volts. This enables the DFX-7 to offer